(Topic ID: 274576)

System 9 Power Supply board issue - Comet

By yaksplat

3 years ago


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  • 20 posts
  • 3 Pinsiders participating
  • Latest reply 3 years ago by yaksplat
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#2 3 years ago

Replace capacitors C7, C8, and C12.

#4 3 years ago

After repairing literally hundreds of pinball machines over the years, I have found those 3 capacitors failing lots of times causing power supply issues.

2 weeks later
#17 3 years ago
Quoted from yaksplat:

Anything else that I should check and possibly replace since I'm placing an order?

Yes, capacitor C10 the 18,000 uf @ 20 volt axial capacitor. It's your main +5 volt filter capacitor.

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